Real-time access control using RFID tags. Visual feedback with LEDs: Default LED stays ON to indicate system readiness. Green LED lights up for access granted. Red LED lights up for access denied.

Real-time access control using RFID tags. Visual feedback with LEDs: Default LED stays ON to indicate system readiness. Green LED lights up for access granted. Red LED lights up for access denied.

Arduino Code to Turn On or Off LED with RFID. Now let’s look at the code. The code is pretty simple. The RFID reader will check for any tags in the vicinity and if a tag is found, the reader will read ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

[Jason] really wanted to build an RFID controlled garage door opener and decided to turn to Arduino to get the job done. For someone who’s never worked with an Arduino before, he really seeme… ...

Testing the RDM6300 RFID Reader. Once your code and hardware are ready, connect Arduino to the laptop and upload the code. After that, open the serial monitor at a baud rate of 9600, and scan the RFID ...

Once the final card is programmed, the blue LED will light up and stay on. At this point, all you need to do is power off, remove the jumper shorting pins 10 and 11, and place it now on pins 10 and 9.

By connecting multiple MFRC522 RFID readers to an Arduino Uno, she’s come up with a method of triggering a device (like an electronic door lock) only when the appropriate combination of RFID ...

The card reader can be used two further enhance both Arduino and Raspberry Pi projects and is now available from just C$21 or roughly £13 with worldwide delivery expected to take place during ...